Image of adeno-associated viral vectors (AAVs) being injected into tadpoles and larvae. The amount of green fluorescent protein is measured in brain sections and the selected AAVs are injected and tracked in juvenile and adult frogs and salamanders.
| 2 min read
Using genetically engineered viruses, researchers can trace the development of frog and salamander nervous systems.

amphibians

Fernanda, a Fernandina giant tortoise (<em>Chelonoidis phantasticus</em>), was identified in 2019, decades after her species supposedly went extinct.

When an Extinct Species Is Found Alive, What Happens Next?

An orange toad perched on a leaf

Past Malaria Surges Linked to Amphibian Die-off

orange tiny frog

Caught on Camera

Salamander on log

Science Snapshot: Free Fallin’ Salamanders

Collage of those featured in the article

Remembering Those We Lost in 2021

Photographs of animals

Numerosity Around the Animal Kingdom

David Wake is facing the camera, smiling.

Salamander Expert David Wake Dies at 84

Amphibian Conservation Champion Phil Bishop Dies

Glowing Amphibians Extremely Common

Researchers Fight a Devastating Amphibian Infection Using Heat

Saving Mountain Chickens

Eating Up the Food Chain

Saving the Hellbender, a Giant Salamander Under Threat

amphibian hindlimb chicken animal feet hand development reactive oxygen species fingers digits webbing webbed

Image of the Day: Phantom Limbs

Frog-Killing Chytrid Fungus Far Deadlier than Scientists Realized

Origin of Frog-Killing Chytrid Fungus Found

Frogs Fight Back From Fungal Attack

Tadpoles Keep Eating Because They Don’t Feel Full

Image of the Day: Frog Leaps Away from Extinction 

Image of the Day: Night Crawler

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Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

Photo of a woman submerged in icy water with her head and clasped hands above water.

What are the Risks and Benefits of a Cold Plunge?

A woman eating chocolate.

Why Do Some Women Crave Chocolate Before Their Period?

An illustration of mustard-colored mitochondria against a dark blue background.

Mitochondrial DNA: A Maternal Legacy That Helps Trace the Past and Diagnose the Future

Multimedia

Graphic of silver and gold 3D spheres levitating in space

Transform Omics Workflows with Scalable Cell Prep

LevitasBio
Conceptual image of genomic analysis showing multicolored DNA base sequences depicted as the letters C, G, A, and T.

Accelerating Cancer Research Through Comprehensive Genomic Analysis

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May digest 2025 cover
May 2025, Issue 1

Study Confirms Safety of Genetically Modified T Cells

A long-term study of nearly 800 patients demonstrated a strong safety profile for T cells engineered with viral vectors.

View this Issue
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TaqMan Probe & Assays: Unveil What's Possible Together

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Meet Aunty and Tackle Protein Stability Questions in Research and Development

Meet Aunty and Tackle Protein Stability Questions in Research and Development

Unchained Labs
Detecting Residual Cell Line-Derived DNA with Droplet Digital PCR

Detecting Residual Cell Line-Derived DNA with Droplet Digital PCR

Bio-Rad
How technology makes PCR instruments easier to use.

Making Real-Time PCR More Straightforward

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Products

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Biotium Launches New Phalloidin Conjugates with Extended F-actin Staining Stability for Greater Imaging Flexibility

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Latest AI software simplifies image analysis and speeds up insights for scientists

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BioSkryb Genomics and Tecan introduce a single-cell multiomics workflow for sequencing-ready libraries in under ten hours

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Agilent BioTek Cytation C10 Confocal Imaging Reader

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